Toronto - Air Quality Health Index

Observed ConditionsFootnote †

Calculated at: 9:00 PM EST Wednesday 24 February 2021

3Low Risk




1
2
3
4
5
6
7
8
9
10
+

Low Risk
(1-3)

Moderate Risk
(4-6)

High Risk
(7-10)

Very High Risk



At-Risk Population:

General Population:

  • Ideal air quality for outdoor activities.

Forecast Maximums

Issued at: 5:00 PM EST Wednesday 24 February 2021

Wednesday night

4 - Moderate Risk

Thursday

3 - Low Risk

Who is at risk?

People with heart and lung conditions are most affected by air pollution.

To find out if you are at risk, consult the health guide, your physician, or your local health authority.

Visit the national AQHI Web site to learn more about the AQHI.

Did you know...?

High levels of air pollution can trigger or worsen asthma attacks. Asthma is the #1 cause of hospital admissions among children.


The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

AQHIScale

Observed ConditionsFootnote †


3 - Low Risk

Calculated at:

9:00 PM EST Wednesday 24 February 2021

 

Forecast Maximums


Wednesday night
4 - Moderate Risk



Thursday
3 - Low Risk




Issued at:

5:00 PM EST Wednesday 24 February 2021

 

The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

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